There is this type of songs I often describe with the term "emotional blanket". The reasoning behind it is a bit loose, so feel free to interpret based on your imagination, but... yeah, it's the type of music that evokes the whole gamma of nostalgic feelings. The soundtrack of a rainy afternoon so to say.
Not sure about you guys, but I just can't help feeling sad while listening to "Darkest Horse". Drenched in gentle tranquility, the track really moved me when I first listened to it. And it does feel nice, I mean having those kind of emotions. The track is taken from the debut EP of the extremely talented Brazilian band Rosie and Me. They recently released their full length album, but this song made such a heavy impact on me the past couple of days, I really had to share it with you.